Los Zetas was founded by a group of elite of Grupo Aeromóvil de Fuerzas Especiales (GAFES) deserters and now includes corrupt former Federal Police, State Police, and Local Police Officers also ex-Kaibiles from Guatemala. After their leader Heriberto Lazcano Lazcano aka "El Lazca" decide to gone independent and became enemies of its former employer/partner the Cartel del Golfo.

Since that independence the Cartel del Golfo declare the war againts Los Zetas Cartel because thier treason.